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For one equation ==> Warning: Explicit solution could not be found

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Indira
Indira 2013-10-14
关闭： MATLAB Answer Bot 2021-8-20
Hi,
I've written 4 kind of codes to solve lam:
%-----------1----------------
_syms lam K4 Vw;
S=solve((119/lam - 9)*exp(-21/lam)-K4/Vw==0,lam)_
%-----------1----------------
%------------2---------------
_syms c1 c2 c3 lam K4 Vw;
S=solve((c1/lam - c2)*exp(-c3/lam)-K4/Vw==0,lam)_
%------------2---------------
%------------3---------------
_syms c1 c2 c3 lam K4 Vw;
S=solve((c1/lam - c2)*exp(-c3/lam)==K4/Vw,lam)_
%------------3---------------
%------------4---------------
_syms c1 c2 c3 lam K4 Vw;
S=solve((c1/lam - c2)*exp(-c3/lam)==K4/Vw)_
%------------4---------------
The answer is always the same: Warning: Explicit solution could not be found
Help me please!

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